<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>

  <style>
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    .mi {
      /* 父控子 */
      display: flex;
      justify-content: space-between;
      width: 1226px;
      height: 614px;
      /* background-color: pink; */
      margin: 100px auto;
    }

    .left {
      width: 234px;
      height: 614px;
      background-color: skyblue;
    }

    .right {
      width: 978px;
      height: 614px;
      background-color: purple;
    }

    .right ul {
      display: flex;
      /* 让li 自动换行 */
      flex-wrap: wrap;
      height: 614px;
      /* 主轴两侧对齐 */
      justify-content: space-between;
      /* 多行侧轴两侧对齐 */
      align-content: space-between;
    }

    .right li {
      width: 234px;
      height: 300px;
      background-color: orange;
      list-style: none;
      /* margin-bottom: 14px; */
    }
  </style>
</head>

<body>
  <div class="mi">
    <div class="left"></div>
    <div class="right">
      <ul>
        <li>1</li>
        <li>2</li>
        <li>3</li>
        <li>4</li>
        <li>1</li>
        <li>2</li>
        <li>3</li>
        <li>4</li>
      </ul>
    </div>
  </div>
</body>

</html>